学会有效休息，告别失眠
21 天教你清空睡眠债，重新掌控生活。发呆比专注更需要精力越优秀的人越会掌握睡眠，经常失眠的兄弟们可以存一份！
(21 days to clear your sleep debt and regain control of your life. Daze takes more energy than concentration
The better people are, the more they can master sleep, brothers who often suffer from insomnia can save a copy!)
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